refactor: switch size parsing to bytesize crate

Author: robjtede

.cspell.yml

@@ -0,0 +1,3 @@
+version: "0.2"
+words:
+  - actix

Cargo.lock

@@ -18,16 +18,16 @@ all-features = true
 proc-macro = true
 
 [dependencies]
+bytesize = "2"
 darling = "0.20"
-parse-size = "1"
 proc-macro2 = "1"
 quote = "1"
 syn = "2"
 
 [dev-dependencies]
 actix-multipart = "0.7"
 actix-web = "4"
-rustversion = "1"
+rustversion-msrv = "0.100"
 trybuild = "1"
 
 [lints]

actix-multipart-derive/Cargo.toml

@@ -9,8 +9,8 @@
 
 use std::collections::HashSet;
 
+use bytesize::ByteSize;
 use darling::{FromDeriveInput, FromField, FromMeta};
-use parse_size::parse_size;
 use proc_macro::TokenStream;
 use proc_macro2::Ident;
 use quote::quote;
@@ -103,7 +103,7 @@ struct ParsedField<'t> {
 /// # Field Limits
 ///
 /// You can use the `#[multipart(limit = "<size>")]` attribute to set field level limits. The limit
-/// string is parsed using [parse_size].
+/// string is parsed using [`bytesize`].
 ///
 /// Note: the form is also subject to the global limits configured using `MultipartFormConfig`.
 ///
@@ -150,7 +150,7 @@ struct ParsedField<'t> {
 /// struct Form { }
 /// ```
 ///
-/// [parse_size]: https://docs.rs/parse-size/1/parse_size
+/// [`bytesize`]: https://docs.rs/bytesize/2
 #[proc_macro_derive(MultipartForm, attributes(multipart))]
 pub fn impl_multipart_form(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
     let input: syn::DeriveInput = parse_macro_input!(input);
@@ -191,8 +191,8 @@ pub fn impl_multipart_form(input: proc_macro::TokenStream) -> proc_macro::TokenS
             let attrs = FieldAttrs::from_field(field).map_err(|err| err.write_errors())?;
             let serialization_name = attrs.rename.unwrap_or_else(|| rust_name.to_string());
 
-            let limit = match attrs.limit.map(|limit| match parse_size(&limit) {
-                Ok(size) => Ok(usize::try_from(size).unwrap()),
+            let limit = match attrs.limit.map(|limit| match limit.parse::<ByteSize>() {
+                Ok(ByteSize(size)) => Ok(usize::try_from(size).unwrap()),
                 Err(err) => Err(syn::Error::new(
                     field.ident.as_ref().unwrap().span(),
                     format!("Could not parse size limit `{}`: {}", limit, err),

actix-multipart-derive/src/lib.rs

@@ -1,4 +1,4 @@
-#[rustversion::stable(1.72)] // MSRV
+#[rustversion_msrv::msrv]
 #[test]
 fn compile_macros() {
     let t = trybuild::TestCases::new();

actix-multipart-derive/tests/trybuild.rs

@@ -1,16 +1,16 @@
-error: Could not parse size limit `2 bytes`: invalid digit found in string
+error: Could not parse size limit `2 bytes`: couldn't parse "bytes" into a known SI unit, couldn't parse unit of "bytes"
  --> tests/trybuild/size-limit-parse-fail.rs:6:5
   |
 6 |     description: Text<String>,
   |     ^^^^^^^^^^^
 
-error: Could not parse size limit `2 megabytes`: invalid digit found in string
+error: Could not parse size limit `2 megabytes`: couldn't parse "megabytes" into a known SI unit, couldn't parse unit of "megabytes"
   --> tests/trybuild/size-limit-parse-fail.rs:12:5
    |
 12 |     description: Text<String>,
    |     ^^^^^^^^^^^
 
-error: Could not parse size limit `four meters`: invalid digit found in string
+error: Could not parse size limit `four meters`: couldn't parse "four meters" into a ByteSize, cannot parse float from empty string
   --> tests/trybuild/size-limit-parse-fail.rs:18:5
    |
 18 |     description: Text<String>,

actix-multipart-derive/tests/trybuild/size-limit-parse-fail.stderr

@@ -34,7 +34,7 @@ actix-web = "4"
 
 futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
 trybuild = "1"
-rustversion = "1"
+rustversion-msrv = "0.100"
 
 [lints]
 workspace = true

actix-web-codegen/Cargo.toml

@@ -1,4 +1,4 @@
-#[rustversion::stable(1.72)] // MSRV
+#[rustversion_msrv::msrv]
 #[test]
 fn compile_macros() {
     let t = trybuild::TestCases::new();

actix-web-codegen/tests/trybuild.rs

@@ -10,7 +10,6 @@ fmt:
 # Downgrade dependencies necessary to run MSRV checks/tests.
 [private]
 downgrade-for-msrv:
-    cargo update -p=parse-size --precise=1.0.0 # next ver: 1.81.0
     cargo update -p=clap --precise=4.4.18 # next ver: 1.74.0
     cargo update -p=divan --precise=0.1.15 # next ver: 1.80.0
     cargo update -p=litemap --precise=0.7.4 # next ver: 1.81.0